class Tkdiff < Formula desc "Graphical side by side diff utility" homepage "https://tkdiff.sourceforge.io/" url "https://downloads.sourceforge.net/project/tkdiff/tkdiff/4.3/tkdiff-4-3.zip" version "4.3" sha256 "60acdb57da030a5697e801996e30ae7d3a49f60898abdc63286bb7be98b58bb3" bottle :unneeded def install bin.install "tkdiff" end test do system "#{bin}/tkdiff", "--help" end end